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<p>Hi Dave,</p>
I just finished a rebuild on my BJ8; my engine--with over 100K
miles--was in similar condition to yours with significant cam lobe
and lifter wear. I installed a DWR1 cam; it's more appropriate if
you're really ' looking for stock or mild tune only.' The DWR1 is
'slightly better than stock', in DWR's word's, and should be most
appropriate for a street/touring car as the torque curve is lower.
I don't think you'll gain much if anything with the DWR8 unless you
at least use headers and port your head--or buy one of DWR's alloy
heads--and then additional tuning is required. Steve G.--on this
list, I believe--is doing a build with a DWR8 cam, but he has
headers and the rest of his engine is likely tuned for the higher
torque/power band. The DWR1 doesn't want to go much over 4,500RPM,
but I do mostly long distance touring so I'm usually running
2,500RPM, give-or-take. I do a lot of driving '100 miles from
nowhere' so I generally go pretty easy on my drivetrain.<br>
<br>
DWR recommends their High Capacity oil pump when using their
gun-drilled cam, unless you're going to spend time over 6,000RPM (in
which case you'll probably want their billet crankshaft, conrods,
pistons, etc.). Since you had cam/lifter damage, be sure to clean
all components--e.g. rocker shaft--thoroughly to remove any debris.
My builder was adamant about that. You can use either 'standard'
lifters with your current pushrods, or get bucket lifters and their
pushrods. I went with standard. I sourced an adjustable, vernier
timing set from Australia; my builder said the cam did require some
adjustment.<br>
<br>
DWR Support has a chat facility; they are very responsive but, of
course, there's a significant time difference. Whichever cam you
use, please let us know your results.<br>
<br>
Bob<br>
<br>
<div class="moz-cite-prefix">On 4/15/2017 4:12 AM,
<a class="moz-txt-link-abbreviated" href="mailto:drmasucci@comcast.net">drmasucci@comcast.net</a> wrote:<br>
</div>
<blockquote
cite="mid:1646379694.45194543.1492254766630.JavaMail.zimbra@comcast.net"
type="cite">
<div style="font-family: Arial; font-size: 12pt; color: #000000">
<div>Hi All,<br data-mce-bogus="1">
</div>
<div><br>
</div>
<div>Well now that spring is here, I am resuming the rebuild of
my BJ8 engine. The engine was rebuilt back in 1999, but since
I'm doing a full resto of the car, I decided to take a look at
the engine. While all other parameters were well within spec,
the cam and lifters were damaged. Back then I didn't know much
about modern oils and the lack of zinc, and since that's the
only part of the engine that didn't do well, I am assuming
that must be why.<br>
</div>
<div><br>
</div>
<div>So I am now trying to decide what to do. I can have my cam
reground, or buy new. Since I believe it was already reground
and based on the wear, I am thinking maybe new is the best
choice. I am looking for stock or mild tune only. <br>
</div>
<div><br>
</div>
<div>I am not a pro engine builder, but I know the basics and am
not new to the process. I know that if I change something like
the cam parameters, I need to understand how that affects the
rest of the valve train. I looking for guidance on selecting
the right components.</div>
<div><br>
</div>
<div>I am considering the Welch DWR8 cam and lifter package. I
understand that I will have to machine pockets into the block
for valve clearance. I will be having the head rebuilt to
basic stock parameters as far as the valve gear is concerned.
I need to determine how to select the correct pushrods. Since
this cam is drilled to feed oil to the lobes, do I need to
make other modifications to support that feature? <br>
</div>
<div><br>
</div>
<div>So I'm looking for some feedback and recommendations from
the list. Has anyone followed a similar path on their 6
cylinder Healey? Any opinions, cautions, or advice would be
appreciated. Is this cam my best choice? Also if there are
better options to consider I'd like to hear that also. <br>
</div>
<div><br>
</div>
<div>As usual, thanks in advance for any help.<br>
</div>
<div><br>
</div>
<div>Dave<br>
</div>
<div>64 BJ8<br>
</div>
<div>72 XJ6<br>
</div>
<div>72 Bonneville<br>
</div>
<div><br>
</div>
<div> <br>
</div>
<div><br>
</div>
<div> <br>
</div>
</div>
<br>
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